| Classic Novels by Plot #2 | 0 | - | 4.87 | 38,477 |
| Literature by Letter - A | 0 | - | 4.24 | 32,308 |
| Literature by Letter - Q, X, Y, and Z | 0 | - | 4.42 | 15,384 |
| Literature by Letter - D | 0 | - | 4.29 | 20,916 |
| Literature by Letter - C | 0 | - | 4.34 | 26,866 |
| Literature by Letter - F | 0 | - | 4.26 | 17,504 |
| Literature by Letter - E | 0 | - | 4.05 | 15,390 |
| Literature by Letter - H | 0 | - | 4.29 | 20,419 |
| Literature by Letter - I | 0 | - | 4.26 | 17,681 |
| Literature by Letter - L | 0 | - | 4.32 | 23,467 |
| Literature by Letter - M | 0 | - | 4.18 | 18,884 |
| Literature by Letter - P | 0 | - | 4.18 | 17,015 |
| Literature by Letter - O | 0 | - | 4.30 | 13,763 |
| Literature by Letter - N | 0 | - | 4.24 | 14,556 |
| Literature by Letter - K | 0 | - | 4.13 | 12,556 |
| Literature by Letter - R | 0 | - | 4.06 | 12,135 |
| Literature by Letter - T | 0 | - | 4.33 | 18,772 |
| Literature by Letter - U | 0 | - | 4.20 | 13,320 |
| Literature by Letter - V | 0 | - | 4.06 | 11,962 |
| Literature by Letter - W | 0 | - | 4.15 | 13,708 |
| Geography by Letter - T | 0 | - | 4.84 | 154,832 |
| Authors with Books Turned into Movies | 0 | - | 4.45 | 63,129 |
| Geography by Letter on the World Map - A-Z | 0 | - | 4.87 | 82,813 |
| Geography by Letter on the World Map - A | 0 | - | 4.81 | 108,640 |
| Southernmost Countries A-Z | 0 | - | 4.95 | 153,936 |
| Northernmost Countries A-Z | 0 | - | 4.99 | 196,400 |
| Least Populous Countries A-Z | 0 | - | 4.99 | 170,727 |
| Biggest Countries by Area A-Z | 0 | - | 4.96 | 193,613 |
| Most Populous Countries A-Z | 0 | - | 4.98 | 301,649 |
| Countries A-Z by Neighbor | 0 | - | 5.00 | 181,041 |
| Countries with the Greatest Elevation A-Z | 0 | - | 4.83 | 73,310 |
| Famous Literary Characters | 0 | - | 4.38 | 36,761 |
| Charlie and the Chocolate Factory | 0 | - | 4.45 | 16,380 |
| Literature Multiple Choice #1 | 0 | - | 4.51 | 41,024 |
| Literature Multiple Choice #2 | 0 | - | 4.45 | 34,678 |
| Books by Plot Description | 0 | - | 4.55 | 26,946 |
| Classic Novels by Plot #1 | 0 | - | 4.40 | 73,821 |
| Who Wrote That Book #2 | 0 | - | 4.47 | 48,186 |
| 100 Books You Can't Do Without | 0 | - | 4.49 | 64,456 |
| Who Wrote That Book #1 | 0 | - | 4.47 | 103,749 |
| Literature by Letter - G | 0 | - | 3.91 | 14,847 |
| Literature by Letter - S | 0 | - | 3.94 | 12,136 |
| Shortest Country Name A-Z | 0 | - | 4.99 | 238,234 |
| Name an Official Language A-Z | 0 | - | 4.91 | 176,663 |
| Book Titles by Synonyms #1 | 0 | - | 4.54 | 76,247 |
| Ultimate Percy Jackson Characters Quiz | 0 | - | 4.49 | 45,393 |
| Brand Logos That Start with A | 0 | - | 4.52 | 70,932 |
| NATO Military Alphabet | 0 | - | 4.98 | 563,133 |
| Religion A-Z #2 | 0 | - | 4.41 | 37,094 |
| Geography by Letter - A | 0 | - | 4.74 | 212,527 |
| Geography by Letter - B | 0 | - | 4.56 | 185,511 |
| Geography by Letter - H | 0 | - | 4.69 | 151,043 |
| Geography by Letter - C | 0 | - | 4.48 | 159,482 |
| Geography by Letter - D | 0 | - | 4.50 | 151,470 |
| Geography by Letter - E | 0 | - | 4.42 | 148,294 |
| Geography by Letter - I | 0 | - | 4.42 | 122,569 |
| Geography by Letter - K | 0 | - | 4.54 | 118,919 |
| Geography by Letter - L | 0 | - | 4.44 | 149,396 |
| Geography by Letter - M | 0 | - | 4.49 | 119,410 |
| Geography by Letter - N | 0 | - | 4.51 | 127,769 |
| Geography by Letter - P | 0 | - | 4.47 | 176,703 |
| Geography by Letter - R | 0 | - | 4.43 | 132,403 |
| Geography by Letter - S #1 | 0 | - | 4.74 | 141,236 |
| Geography by Letter - U | 0 | - | 4.53 | 143,732 |
| Asian Geography By Letter - K | 0 | - | 4.75 | 58,295 |
| A to Z: Musical Terms | 0 | - | 4.43 | 41,512 |
| Geography A-Z #2 | 0 | - | 4.46 | 53,078 |
| Geography A-Z #5 | 0 | - | 4.44 | 37,471 |
| Empires A-Z | 0 | - | 4.52 | 45,374 |
| Geography A-Z #1 | 0 | - | 4.56 | 69,752 |
| Countries with the Most Borders A-Z | 0 | - | 4.98 | 125,524 |
| Movies that Start with G | 0 | - | 4.49 | 68,754 |
| Movies that Start with I | 0 | - | 4.41 | 65,362 |
| History by Letter - A | 0 | - | 4.51 | 153,686 |
| History by Letter - B | 0 | - | 4.45 | 173,034 |
| History by Letter - C | 0 | - | 4.70 | 172,369 |
| History by Letter - E | 0 | - | 4.51 | 141,276 |
| History by Letter - G | 0 | - | 4.46 | 122,711 |
| History by Letter - H | 0 | - | 4.45 | 137,368 |
| History by Letter - J | 0 | - | 4.51 | 154,758 |
| History by Letter - N | 0 | - | 4.45 | 104,646 |
| History by Letter - S | 0 | - | 4.47 | 94,832 |
| History by Letter - W | 0 | - | 4.45 | 110,058 |
| History by Letter - M | 0 | - | 4.54 | 120,515 |
| History by Letter - K | 0 | - | 4.50 | 101,839 |
| History by Letter - L | 0 | - | 4.50 | 112,636 |
| History by Letter - I | 0 | - | 4.46 | 104,864 |
| Authors of Children's Books | 0 | - | 4.24 | 20,033 |
| Books by City | 0 | - | 4.04 | 14,316 |
| Word Puzzles - Book Titles #1 | 0 | - | 4.41 | 27,613 |
| Dewey Decimal System | 0 | - | 4.28 | 13,608 |
| Authors by Country | 0 | - | 4.40 | 32,258 |
| Nonfiction Books Quiz | 0 | - | 4.44 | 22,689 |
| 1984 the Book | 0 | - | 4.61 | 21,087 |
| Winnie-the-Pooh Characters | 0 | - | 4.46 | 28,659 |
| Nursery Rhymes Fill in the Blank | 0 | - | 4.14 | 40,523 |
| Countries by Military Spending | 0 | - | 4.93 | 178,747 |
| 12x12 Multiplication - The Whopper | 0 | - | 4.92 | 121,488 |
| "Of Something" Book Titles | 0 | - | 4.45 | 48,215 |
| 100 Most Common English Words | 0 | - | 4.88 | 1,323,074 |
| Animals that Start with L | 0 | - | 4.47 | 102,353 |
| Animals that Start with P | 0 | - | 4.45 | 86,398 |
| Animals that Start with S | 0 | - | 4.49 | 87,599 |
| Geography by Letter on the World Map - B | 0 | - | 4.52 | 90,936 |
| Geography by Letter on the World Map - C | 0 | - | 4.77 | 118,348 |
| World Cities A-Z by Clue #1 | 0 | - | 4.51 | 68,601 |
| Islands A-Z | 0 | - | 4.45 | 126,786 |
| World Cities A-Z by Clue #2 | 0 | - | 4.41 | 59,436 |
| Human Body A-Z | 0 | - | 4.51 | 129,532 |
| Asian Cities A-Z by Clue | 0 | - | 4.52 | 42,850 |
| Africa A-Z | 0 | - | 4.57 | 46,737 |
| Ethnic Groups A-Z | 0 | - | 4.51 | 42,451 |
| People in History A-Z #1 | 0 | - | 4.63 | 99,578 |
| People in History A-Z #2 | 0 | - | 4.47 | 55,384 |
| People in History A-Z #3 | 0 | - | 4.44 | 46,388 |
| Books by Clue #2 | 0 | - | 4.43 | 26,756 |
| Sci-Fi and Fantasy Authors | 0 | - | 4.43 | 17,546 |
| Brand Logos That Start With B | 0 | - | 4.38 | 60,456 |
| Brand Logos That Start With D | 0 | - | 4.36 | 62,011 |
| Brand Logos That Start With C | 0 | - | 4.20 | 49,999 |
| Brand Logos That Start With L | 0 | - | 4.39 | 61,710 |
| Brand Logos That Start With M | 0 | - | 4.38 | 63,337 |
| Brand Logos That Start With S | 0 | - | 4.37 | 58,097 |
| Disney A-Z | 0 | - | 4.37 | 87,400 |
| Companies A-Z | 0 | - | 4.30 | 42,753 |
| Religion A-Z #1 | 0 | - | 4.32 | 61,710 |
| Geography by Letter - G | 0 | - | 4.33 | 126,889 |
| Geography by Letter - F | 0 | - | 4.28 | 138,616 |
| Geography by Letter - J | 0 | - | 4.35 | 123,494 |
| Geography by Letter - O | 0 | - | 4.37 | 130,307 |
| Geography by Letter - V | 0 | - | 4.39 | 122,368 |
| Geography by Letter - W | 0 | - | 4.39 | 115,321 |
| Geography by Letter - Y | 0 | - | 4.39 | 112,014 |
| Geography by Letter - Z | 0 | - | 4.11 | 82,050 |
| Geography by Letter - Q | 0 | - | 4.38 | 69,933 |
| Same Start and End Letter - Geography #1 | 0 | - | 4.15 | 35,352 |
| Video Games A-Z | 0 | - | 4.05 | 39,178 |
| Geography A-Z #3 | 0 | - | 4.22 | 39,365 |
| Movies that Start with A | 0 | - | 4.13 | 62,078 |
| Movies that Start with C | 0 | - | 4.30 | 62,067 |
| Movies that Start with B | 0 | - | 4.36 | 85,637 |
| Movies that Start with D | 0 | - | 4.34 | 68,609 |
| Movies that Start with E | 0 | - | 4.13 | 68,552 |
| Movies that Start with J | 0 | - | 4.18 | 76,369 |
| Movies that Start with L | 0 | - | 4.16 | 60,561 |
| Movies that Start with M | 0 | - | 4.28 | 48,364 |
| Movies that Start with N | 0 | - | 4.02 | 41,357 |
| Movies that Start with P | 0 | - | 4.25 | 54,256 |
| Movies that Start with R | 0 | - | 4.17 | 46,774 |
| Movies that Start with W | 0 | - | 4.07 | 44,352 |
| Movies that Start with T | 0 | - | 4.34 | 49,426 |
| Movies that Start with S | 0 | - | 4.35 | 56,603 |
| Movies that Start with F | 0 | - | 4.13 | 69,035 |
| History by Letter - D | 0 | - | 4.40 | 138,393 |
| History by Letter - F | 0 | - | 4.18 | 114,930 |
| History by Letter - O | 0 | - | 4.32 | 99,937 |
| History by Letter - P | 0 | - | 4.36 | 108,307 |
| History by Letter - Q | 0 | - | 4.34 | 80,681 |
| History by Letter - R | 0 | - | 4.26 | 122,668 |
| History by Letter - T | 0 | - | 4.39 | 105,677 |
| History by Letter - U | 0 | - | 4.19 | 101,197 |
| History by Letter - V | 0 | - | 4.27 | 81,109 |
| History by Letter - Y | 0 | - | 4.27 | 87,622 |
| History by Letter - Z | 0 | - | 4.20 | 77,367 |
| The 3rd and 4th Century | 0 | - | 4.60 | 27,317 |
| Music by Letter - F | 0 | - | 4.47 | 27,103 |
| Music by Letter - A | 0 | - | 4.61 | 31,493 |
| Word Puzzles - Book Titles #2 | 0 | - | 4.38 | 21,912 |
| Famous Literature Fractured | 0 | - | 4.05 | 9,774 |
| The 100 Greatest Novels | 0 | - | 3.74 | 41,889 |
| Bestselling Authors | 0 | - | 4.10 | 19,012 |
| Characters from Books #2 | 0 | - | 4.42 | 80,077 |
| Nursery Rhymes #2 | 0 | - | 4.22 | 15,489 |
| Most Common English Verbs - Extreme | 0 | - | 4.96 | 158,171 |
| Top Five Exporting Partners by Country | 0 | - | 4.86 | 67,351 |
| Middle East A-Z | 0 | - | 4.47 | 46,204 |
| World Cities Based on Location A-Z - #1 | 0 | - | 4.46 | 44,489 |
| 20th Century A-Z | 0 | - | 4.50 | 53,913 |
| 19th Century A-Z | 0 | - | 4.77 | 47,421 |
| 18th Century A-Z | 0 | - | 4.54 | 43,277 |
| Modern Library's 100 Best Novels | 0 | - | 3.93 | 11,504 |
| Books by Clue #1 | 0 | - | 4.36 | 25,833 |
| Literary Groups of Things | 0 | - | 4.27 | 30,701 |
| 5-Letter Literature Chain | 0 | - | 4.29 | 54,931 |
| 4-Letter Literature Chain | 0 | - | 4.39 | 42,479 |
| Hunger Games Trivia | 0 | - | 4.22 | 53,491 |
| The Hunger Games Districts Quiz | 0 | - | 4.21 | 31,930 |
| Top Arms Exporting Countries | 0 | - | 4.96 | 92,727 |
| Ultimate Car Logos Quiz | 0 | - | 4.81 | 183,069 |
| Star Wars A-Z | 0 | - | 4.46 | 88,657 |
| Monarchies of the World | 0 | - | 4.94 | 169,782 |
| Countries by Hottest Recorded Temperature | 0 | - | 4.92 | 113,630 |
| Countries by Coldest Recorded Temperature | 0 | - | 4.83 | 112,875 |
| Countries where the Sea Freezes | 0 | - | 4.93 | 115,018 |
| Largest Countries Without Deserts | 0 | - | 4.89 | 75,491 |
| 12 x 12 Multiplication Table in 2 Minutes | 0 | - | 4.80 | 804,218 |
| Astronomy Quiz | 0 | - | 4.90 | 83,059 |
| Google What's the Difference? - Animals | 0 | - | 4.93 | 93,005 |
| Countries with the Longest High Speed Rail Networks | 0 | - | 4.91 | 66,088 |
| Cities with the Most Metro Rail Stations | 0 | - | 4.89 | 102,795 |
